1、Maybe, but I use cardioid most of the time.
或許可以，但是我大多數(shù)情況下會使用心型指向。

2、The WH20 has a cardioid pickup pattern.
該WH20有一個心形(單向)拾音模式。

3、The envelope of moving line on the hypocycloid plane may be an epicycloid or cardioid and the…
擺線逆運動中與動切線成定角的直線，其包絡(luò)也是圓周漸開線。

4、Cardioid is directional on one side only, and is typically used for drums.
心形是單一的指向一個方向，非常適合用來錄鼓。

cardioid翻譯